1) check the fuel tank oil level weekly, such as hydraulic system also should check after repair, oil level is lower than the oil line center should include the hydraulic oil;
2) new work 2000 hours after the oil should be replaced, since every work of 4000 ~ 6000 hours after should replace the hydraulic oil, oil change every time, should be cleaning tank;
3) system oil temperature should be between 35 ℃ ~ 60 ℃, shall not exceed 70 ℃, such as too high will lead to damage of metamorphic oil and accessories.
2, hydraulic components
1) monthly clean hydraulic parts, valve, motor, pump, tubing, etc.), prevent dirt from entering the system, cannot use cleaner;
2) phone use after a month, check whether there is any deformation on the oil pipe bend, if there is any exception should be replaced, use two months later, should tighten the joint of all parts.